import { CdkScrollableModule } from '@angular/cdk/scrolling';
import { Component, OnInit, inject } from '@angular/core';
import { FormControl, FormGroup, ReactiveFormsModule } from '@angular/forms';
import { MatButtonModule } from '@angular/material/button';
import { MAT_DIALOG_DATA, MatDialogRef, MatDialogModule } from '@angular/material/dialog';
import { MatFormFieldModule } from '@angular/material/form-field';
import { MatInputModule } from '@angular/material/input';

import { MathService } from '../../shared/math.service';

@Component({
  selector: 'app-quantity',
  templateUrl: './quantity.component.html',
  styleUrls: ['./quantity.component.css'],
  imports: [
    CdkScrollableModule,
    MatButtonModule,
    MatDialogModule,
    MatFormFieldModule,
    MatInputModule,
    ReactiveFormsModule,
  ],
})
export class QuantityComponent implements OnInit {
  dialogRef = inject<MatDialogRef<QuantityComponent>>(MatDialogRef);
  data = inject(MAT_DIALOG_DATA);
  private math = inject(MathService);

  form: FormGroup<{
    quantity: FormControl<string>;
  }>;

  constructor() {
    // Create form
    this.form = new FormGroup({
      quantity: new FormControl<string>('', { nonNullable: true }),
    });
  }

  ngOnInit() {
    this.form.setValue({
      quantity: `${this.data}`,
    });
  }

  accept(): void {
    const quantity = this.math.parseAmount(this.form.value.quantity ?? '');
    this.dialogRef.close(quantity);
  }
}